Finding the Fourth Proportional to 3,230,749.65, 4,458,452.06 and 1,853,983.74
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Solution
The fourth proportional to 3,230,749.65, 4,458,452.06 and 1,853,983.74 is: 2,558,507.63
Step by Step Solution
- Step 1: Write the proportion equation
3,230,749.65 : 4,458,452.06 = 1,853,983.74 : x - Step 2: Convert to fraction form
3,230,749.65/4,458,452.06 = 1,853,983.74/x - Step 3: Cross multiply
3,230,749.65x = 4,458,452.06 × 1,853,983.74 - Step 4: Simplify right side
3,230,749.65x = 8,265,897,615,539.59 - Step 5: Solve for x
x = 8,265,897,615,539.59/3,230,749.65 - Step 6: Final answer
x = 2,558,507.63
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.